.preface-box {
  width: 100%;
  // height: 576px;
  //   padding: 80px 0px;
  margin: 0 auto;
  padding-bottom: 0;
  overflow: hidden;
}
.flex-c-c-c {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.left-btn {
  position: relative;
  font-family: 'SourceHanSerifCN-Bold';
  width: 180px;
  height: 32px;
  margin-top: 10px;
  span {
    position: relative;
    z-index: 99;
  }
}
// .left-btn:hover {
//   opacity: 0.7;
// }
.btn-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.title {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;

  padding: 4px 64px;
  // background: #eeeeee;
  text-align: center;
  font-weight: bold;
  .title-img-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
}
.svg-img g {
  fill: blue;
}
.left-title {
  text-align: center;
  // margin-top: 40px;
  // margin-bottom: 92px;
}
.animation-box {
  animation: slideIn 1s forwards;
}
@keyframes slideIn {
  0% {
    padding-top: 94px;
    // transform: translateY(100%); /* 元素初始位置 */
    opacity: 0;
  }
  100% {
    padding-top: 0;
    opacity: 1;
    // transform: translateY(0); /* 元素最终位置 */
  }
}
.animation-box2 {
  animation: slideIn2 1s forwards;
}
@keyframes slideIn2 {
  0% {
    transform: translateX(-10%); /* 元素初始位置 */
    opacity: 0;
  }
  100% {
    opacity: 1;
    transform: translateX(0); /* 元素最终位置 */
  }
}
.animation-box3 {
  animation: slideIn3 1s forwards;
}
@keyframes slideIn3 {
  0% {
    transform: translateX(10%); /* 元素初始位置 */
    opacity: 0;
  }
  100% {
    opacity: 1;
    transform: translateX(0); /* 元素最终位置 */
  }
}
.animation-box4 {
  animation: slideIn4 1s forwards;
}
@keyframes slideIn4 {
  0% {
    padding-top: 576px;
    opacity: 0;
  }
  100% {
    opacity: 1;
    padding-top: 0px;
  }
}
.animation-box5 {
  animation: slideIn5 1s forwards;
}
@keyframes slideIn5 {
  0% {
    padding-top: 740px;
    opacity: 0;
  }
  100% {
    opacity: 1;
    padding-top: 0px;
  }
}
.subTitle {
  color: #333;
  text-align: center;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  opacity: 0.59;
  margin-top: 6px;
}
/deep/.van-text-ellipsis {
  font-size: 16px;
}
